Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 172rSequence: 5Full text: Laetamini in domino*Feast: Felicis, AdauctiOffice: MASSGenre: OfCantus ID: g00116Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0172R.h…